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Array vs. Object efficiency in JavaScript
I have a model with possibly thousands of objects. I was wondering what would be the most efficient way of storing them and retrieving a single object once I have it's id. The id's are long numbers.
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Streaming video from Android camera to server
...e video is packed in FLV format, and can be played via Flash video player with a build in web server :)
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Retrieving the output of subprocess.call() [duplicate]
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edited May 6 '14 at 12:33
jfs
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How to assign from a function which returns more than one value?
... list[...]<- I had posted this over a decade ago on r-help. Since then it has been added to the gsubfn package. It does not require a special operator but does require that the left hand side be written using list[...] like this:
library(gsubfn) # need 0.7-0 or later
list[a, b] <- functionR...
Group vs role (Any real difference?)
...ys, the divide between role and group comes from concepts of computer security (as opposed to simply resource management). Prof. Ravi Sandhu provides a seminal coverage of the semantic difference between roles and groups.
http://profsandhu.com/workshop/role-group.pdf
A group is a collection of use...
How to avoid 'cannot read property of undefined' errors?
In my code, I deal with an array that has some entries with many objects nested inside one another, where as some do not. It looks something like the following:
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What causes a TCP/IP reset (RST) flag to be sent?
...why my app's TCP/IP connection keeps hiccuping every 10 minutes (exactly, within 1-2 seconds). I ran Wireshark and discovered that after 10 minutes of inactivity the other end is sending a packet with the reset (RST) flag set. A google search tells me "the RESET flag signifies that the receiver has...
How to call a parent method from child class in javascript?
...spent the last couple of hours trying to find a solution to my problem but it seems to be hopeless.
8 Answers
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Are Exceptions in C++ really slow
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The main model used today for exceptions (Itanium ABI, VC++ 64 bits) is the Zero-Cost model exceptions.
The idea is that instead of losing time by setting up a guard and explicitly checking for the presence of exceptions everywhere, the compiler generates a side tab...
C# - Keyword usage virtual+override vs. new
... between declaring a method in a base type " virtual " and then overriding it in a child type using the " override " keyword as opposed to simply using the " new " keyword when declaring the matching method in the child type?
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